Segment Information (Tables)

9 Months Ended

Sep. 30, 2020

Segment Reporting [Abstract]

Segment Information

Segment information is summarized in the following table: 

(Dollars in millions)	Three months ended September 30,				Nine months ended September 30,
	2020		2019		2020		2019
Revenues:
Commercial lines insurance
Commercial casualty	$	290	$	277	$	868	$	822
Commercial property	252		241		755		709
Commercial auto	189		179		563		524
Workers' compensation	64		73		207		224
Other commercial	70		64		205		188
Commercial lines insurance premiums	865		834		2,598		2,467
Fee revenues	1		1		3		3
Total commercial lines insurance	866		835		2,601		2,470
Personal lines insurance
Personal auto	154		156		462		466
Homeowner	165		154		487		450
Other personal	48		44		141		130
Personal lines insurance premiums	367		354		1,090		1,046
Fee revenues	1		1		3		3
Total personal lines insurance	368		355		1,093		1,049
Excess and surplus lines insurance	82		72		238		202
Fee revenues	—		1		1		2
Total excess and surplus lines insurance	82		73		239		204
Life insurance premiums	72		70		218		203
Fee revenues	—		1		1		3
Total life insurance	72		71		219		206
Investments
Investment income, net of expenses	167		161		498		478
Investment gains and losses, net	533		86		(132)		1,113
Total investment revenue	700		247		366		1,591
Other
Premiums	136		116		316		245
Other	3		3		8		7
Total other revenues	139		119		324		252
Total revenues	$	2,227	$	1,700	$	4,842	$	5,772
Income (loss) before income taxes:
Insurance underwriting results
Commercial lines insurance	$	(20)	$	56	$	(32)	$	144
Personal lines insurance	(2)		3		(24)		4
Excess and surplus lines insurance	11		12		19		40
Life insurance	6		5		9		2
Investments	674		222		289		1,517
Other	(55)		(4)		(78)		(16)
Total income before income taxes	$	614	$	294	$	183	$	1,691

Identifiable assets:	September 30, 2020		December 31, 2019
Property casualty insurance	$	3,796	$	3,437
Life insurance	1,619		1,516
Investments	20,155		19,583
Other	800		872
Total	$	26,370	$	25,408